Clifton Jones

as Klingon Helmsman (1 episode), as Ensign Craig (1 episode)

as King Jabalani

as Billy Bear

as David Kano

as John Gabole (1 episode)

as Doctor Lule (2 episodes)

as Sgt. Hunt

as Sgt. Hunt (2 episodes)

as Blackavar (voice)

as Stanley (1 episode), as Abraham St. Jacques (1 episode)

as Henry Tasker (8 episodes)

as David Kano (24 episodes)

as Dr. Adams (1 episode)

as Dr. Kibu (archive footage)

as Larry

as Greenwell Shumba (1 episode)

as Hetherton

as Dr Gordon (1 episode)

as Eremasi (1 episode)

as Dr. Kibu (1 episode)

as Lusaka (1 episode)

as Black Actor

as Manuel Patino (1 episode)